"9 So it was, when he had turned his back to go from Samuel, that God gave him another heart; and all those signs came to pass that day. 10 When they came there to the hill, there was a group of prophets to meet him; then the Spirit of God came upon him, and he prophesied among them. 11 And it happened, when all who knew him formerly saw that he indeed prophesied among the prophets, that the people said to one another, "What is this that has come upon the son of Kish? Is Saul also among the prophets?” I Sam. 10:9-11
"Then Saul sent messengers to take David. And when they saw the group of prophets prophesying, and Samuel standing as leader over them, the Spirit of God came upon the messengers of Saul, and they also prophesied. And when Saul was told, he sent other messengers, and they prophesied likewise. Then Saul sent messengers again the third time, and they prophesied also." I Sam. 19:20-21
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In the context of these passages, what does "prophesy" mean? What were they doing? What did it look like, or sound like?
